body {
  background-color: #dee3e7;
  color: black;
  text-align: center;
  font-family: sans-serif;
  padding: 0;
  margin: 0;
}

fieldset {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  grid-template-rows: auto auto auto auto;
  padding: 1em;
  grid-gap: 1em;
  text-align: center;
  border: 0;
}

legend {
  padding-top: 1em;
}

span[role="icon"] {
  display: block;
}

.error {
  background-color: salmon;
  padding: 1em;
}

.title.temporaryStatusMessage {
  color: gray;
}

div.entity {
  background-color: white;
  box-shadow: 0 0 10px 0 #444;
  display: grid;
  grid-column: auto / span 2;
  grid-row: auto / span 2;
  grid-template-rows: auto min-content;
  grid-template-columns: minmax(min-content, auto);
}

div.entity h2 {
  grid-column: 1 / span all;
}

button {
  padding: 1em;
  color: black;
  display: table-cell;
  text-align: center;
  border: 1px solid #999;
  background-color: white;
  box-shadow: 0 0 6px 0 #aaa;
  user-select: none;
}

button:hover {
  box-shadow: 0 0 10px 0 #666;
  cursor: pointer;
}

button:focus {
  outline: 1px solid black;
}

button:disabled {
  color: gray;
  background-color: #333;
  cursor: not-allowed;
}

span.icon {
  font-size: 3em;
}

.actionFailed {
  animation: kfActionFailed 1s;
}

@keyframes kfActionFailed {
  0% { background-color: black; }
  20% { background-color: red; }
  0% { background-color: inherit; }
}

.actionSuccess {
  animation: kfActionSuccess 1s;
}

@keyframes kfActionSuccess {
  0% { background-color: black; }
  20% { background-color: limegreen; }
  0% { background-color: inherit; }
}

.actionNonZeroExit {
  animation: kfActionNonZeroExit 1s;
}

@keyframes kfActionNonZeroExit {
  0% { background-color: black; }
  20% { background-color: orange; }
  0% { background-color: inherit; }
}

.actionTimeout {
  animation: kfActionTimeout 1s;
}

@keyframes kfActionTimeout {
  0% { background-color: black; }
  20% { background-color: cyan; }
  0% { background-color: inherit; }
}

footer,
footer a {
  color: black;
}

img.logo {
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

@media (max-width: 320px) {
  fieldset {
    grid-template-columns: auto;
    grid-gap: 0;
    padding: 0;
  }
}

@media (prefers-color-scheme: dark) {
  body {
    background-color: #333;
    color: white;
  }

  button {
    border: 1px solid #666;
    background-color: #222;
    box-shadow: 0 0 6px 0 #444;
    color: white;
  }

  button:disabled {
    background-color: black;
  }
}